# functions

def whatsup (x):
    return "Whats up " + x

def sum (a,b):
    return a+b

def div(a,b):
    return a/b;

def fullName(first="Carolina", last="Depaula"):
    print "%s %s" % (first, last)

def profile(name="John Doe", *grades):
    print name
    print grades

# calling functions

print whatsup ( "Jaime" )
print sum(10,50)
print div(20,10)
fullName("Jaime","Depaula")
fullName()
profile("Carolina", 7,9,10)

print'Whatis the * in front of grades?'
